Fujitsu MAP3367NC Manual/User Guide - Page 35

SCSI Function Specifications, HVD type High Voltage Differential

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2.2 SCSI Function Specifications Table 2.4 shows the SCSI functions provided with the IDD. Table 2.4 SCSI function specifications Item Specification Single-ended type Ο HVD type (High Voltage Differential) × Electrical LVD type (Low Voltage Differential) Ο requirements Single-ended type (*1) Position where the terminating resistor is mounted on the PCA × Differential type Position where the terminating resistor is mounted on the PCA × TERMPWR signal send function Ο Connector 68 pin P cable connector 80 pin SCA2 connector Ο (NP model) Ο (NC model) Data bus parity (Data bus CRC) Ο Bus arbitration function Ο Disconnection/reconnection function Ο Addressing SCSI ID 16-bit SCSI LUN (logical unit number) 8-bit SCSI (Single-ended type) Data transfer (Synchronous mode) (LVD type) 16-bit SCSI (Single-ended type) (LVD type) (U160 LVD type) (U320 LVD type) #0 to #15 (Jumper selection) #0 fixed Ο 20 MB/s max. Ο 40 MB/s max. Ο 40 MB/s max. Ο 80 MB/s max. Ο 160 MB/s max. Ο 320 MB/s max. Data buffer 8 MB Data block length (Logical data length=Physical data length) (*2) 512 to 528 bytes (Fixed length) Ο : Provided × : Not provided (*1) The driver mode (Single-ended or LVD) changes automatically by Diffsence signal level. (*2) Refer to (12) of Section 1.1. C141-E166 2-7

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C141-E166
2-7
2.2
SCSI Function Specifications
Table 2.4 shows the SCSI functions provided with the IDD.
Table 2.4
SCSI function specifications
Item
Specification
Single-ended type
Ο
HVD type (High Voltage Differential)
×
LVD type (Low Voltage Differential)
Ο
Single-ended type
Position where the terminating
resistor is mounted on the PCA
×
Differential type
Position where the terminating
resistor is mounted on the PCA
×
Electrical
requirements
(*1)
TERMPWR signal send function
Ο
68 pin P cable connector
Ο
(
NP model)
Connector
80 pin SCA2 connector
Ο
(NC model)
Data bus parity (Data bus CRC)
Ο
Bus arbitration function
Ο
Disconnection/reconnection function
Ο
SCSI ID
16-bit SCSI
#0 to #15
(Jumper selection)
Addressing
LUN (logical unit number)
#0 fixed
Data transfer
(Synchronous
mode)
8-bit SCSI (Single-ended type)
(LVD type)
16-bit SCSI (Single-ended type)
(LVD type)
(U160 LVD type)
(U320 LVD type)
Ο
20 MB/s max.
Ο
40 MB/s max.
Ο
40 MB/s max.
Ο
80 MB/s max.
Ο
160 MB/s max.
Ο
320 MB/s max.
Data buffer
8 MB
Data block length (Logical data length=Physical data length) (*2)
512 to 528 bytes
(Fixed length)
Ο
: Provided
×
: Not provided
(*1)
The driver mode (Single-ended or LVD) changes automatically by Diffsence signal level.
(*2)
Refer to (12) of Section 1.1.